(a) Calculate $△_{r} G^{0}$ for the reaction.
$M g (s) + C u^{2 +} (a q) \to M g^{2 +} (a q) + C u (s)$
Given: $E_{c e l l}^{0} = + 2.71 V, 1 F = 96500 C m o l^{- 1}$
(b) Name the type of cell which was used in Apollo space programme for providing electrical power.

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Solution

$a) △ G^{o} = - n F E_{c e l l}^{o} = - 2 \times 96500 \times 2.71 = - 523030 J / m o l = - 523.03 k J / m o l$
$b)$ Alkali fuel cell.

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Similar questions

Q. (a) Calculate

Δ_{r} G^{0}

for the reaction

M g (s) + C u^{2 +} (a q) \to M g^{2 +} (a q) + C u (s)

Given :

E_{c e l l}^{0} = + 2.71 V, 1 F = 96500 C m o l^{- 1}

(b) Name the type of cell which was used in Apollo space programme for providing electrical power.

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Δ_{r} G^{0}

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M g (s) + {C u}^{2 +} (a q) \to {M g}^{2 +} (a q) + C u (s)

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Given:

E_{c e l l}^{0} = 2.71 V, 1 F = 96500 C {m o l}^{- 1}

(b) Name the type of cell that was used in Apollo space program for providing electrical power.

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[Given

E_{c e l l}^{0} = + 2.71 V, 1 F = 96500 C {m o l}^{- 1}

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For a cell, the cell reaction is $M g (s) + C u^{2 +} (a q) \to M g^{2 +} (a q) + C u (s)$ . If the S.R.P. values of $M g$ and $C u$ are $- 2.37 V$ and $+ 0.34 V$ respectively, the EMF of the cell is:

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(a) Calculate △rG0 for the reaction.Mg(s)+Cu2+(aq)→Mg2+(aq)+Cu(s)Given: E0cell=+2.71V,1F=96500Cmol−1(b) Name the type of cell which was used in Apollo space programme for providing electrical power.

a)△Go=−nFEocell =−2×96500×2.71 =−523030J/mol =−523.03kJ/molb) Alkali fuel cell.

(a) Calculate $△_{r} G^{0}$ for the reaction.
$M g (s) + C u^{2 +} (a q) \to M g^{2 +} (a q) + C u (s)$
Given: $E_{c e l l}^{0} = + 2.71 V, 1 F = 96500 C m o l^{- 1}$
(b) Name the type of cell which was used in Apollo space programme for providing electrical power.

$a) △ G^{o} = - n F E_{c e l l}^{o} = - 2 \times 96500 \times 2.71 = - 523030 J / m o l = - 523.03 k J / m o l$
$b)$ Alkali fuel cell.